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Plant Hardiness Zones divide the U.S. and Canada into 11 areas based on a 10 degree Fahrenheit difference in the average annual minimum temperature. (The U.S. falls within Zones 2-10). The lowest average temperature in Zone 2 is -50 to -40 degrees Fahrenheit, while the minimum average temperature in zone 10 is +30 to +40 degrees Fahrenheit.
If a range of zones, for example, zones 4-9, is indicated, the tree or perennial is known to be hardy in zones 4, 5, 6, 7, 8, and 9.
South Dakota falls within zones 3-5, depending upon the particular region within the state (Refer to the map above to learn which zone you are in). Keep in mind that local variations such as moisture, soil, winds, and other conditions might affect the viability of individual plants.
All our trees are grown and harvested right here in Western South Dakota, ensuring maximum compatibility in this region.
Oak Brook Tree Farm
(605)381-1235
